GB646920A - Improvements in or relating to a noise reduction system for radio receivers - Google Patents
Improvements in or relating to a noise reduction system for radio receiversInfo
- Publication number
- GB646920A GB646920A GB10963/47A GB1096347A GB646920A GB 646920 A GB646920 A GB 646920A GB 10963/47 A GB10963/47 A GB 10963/47A GB 1096347 A GB1096347 A GB 1096347A GB 646920 A GB646920 A GB 646920A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diode
- noise
- point
- condenser
- per cent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000009877 rendering Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude
- H03G11/04—Limiting level dependent on strength of signal; Limiting level dependent on strength of carrier on which signal is modulated
Landscapes
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US542739A US2422976A (en) | 1944-06-29 | 1944-06-29 | Noise reducer for amplitude modulation reception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB646920A true GB646920A (en) | 1950-11-29 |
Family
ID=24165090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10963/47A Expired GB646920A (en) | 1944-06-29 | 1947-04-24 | Improvements in or relating to a noise reduction system for radio receivers |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2422976A (enrdf_load_stackoverflow) |
| GB (1) | GB646920A (enrdf_load_stackoverflow) |
| NL (1) | NL75416C (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2621290A (en) * | 1947-03-29 | 1952-12-09 | Gilbert J C Andresen | Limiter system |
| US2586190A (en) * | 1947-07-23 | 1952-02-19 | Wasmansdorff Carlton | Radio receiver noise reducing circuit |
| US2668233A (en) * | 1948-07-19 | 1954-02-02 | Sylvania Electric Prod | Automatic noise limiter |
| US2710310A (en) * | 1948-11-20 | 1955-06-07 | Sylvania Electric Prod | Variable level synchronizing signal clipper |
| US2673294A (en) * | 1951-08-10 | 1954-03-23 | Ca Nat Research Council | Discriminator circuit |
| US2771549A (en) * | 1955-02-10 | 1956-11-20 | Collins Radio Co | Signal receiving circuit |
| US3064197A (en) * | 1960-09-20 | 1962-11-13 | Collins Radio Co | Automatic noise limiter circuit |
| US3234334A (en) * | 1962-12-14 | 1966-02-08 | Sherwood Electronic Lab Inc | Fm stereo-multiplex receiving system |
| US4042883A (en) * | 1976-03-25 | 1977-08-16 | Motorola, Inc. | Automatic noise limiter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2172922A (en) * | 1936-04-04 | 1939-09-12 | E H Scott | Automatic noise suppressor |
| US2129027A (en) * | 1936-05-19 | 1938-09-06 | Rca Corp | Receiver noise limiting circuit |
| US2135949A (en) * | 1937-06-17 | 1938-11-08 | Rca Corp | Noise suppressor circuit |
| US2216517A (en) * | 1937-09-21 | 1940-10-01 | Rca Corp | Noise suppression circuits |
| US2192189A (en) * | 1938-03-12 | 1940-03-05 | Philip M Haffcke | Static limitation in radio receivers |
| US2231371A (en) * | 1939-01-04 | 1941-02-11 | Rca Corp | Noise suppression circuit |
| US2208398A (en) * | 1939-02-23 | 1940-07-16 | Bell Telephone Labor Inc | Radio receiver |
| US2208953A (en) * | 1939-07-12 | 1940-07-23 | American Telephone & Telegraph | Noise reducing receiving system |
| US2344697A (en) * | 1942-04-17 | 1944-03-21 | Rca Corp | Noise reduction system |
-
0
- NL NL75416D patent/NL75416C/xx active
-
1944
- 1944-06-29 US US542739A patent/US2422976A/en not_active Expired - Lifetime
-
1947
- 1947-04-24 GB GB10963/47A patent/GB646920A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2422976A (en) | 1947-06-24 |
| NL75416C (enrdf_load_stackoverflow) |
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